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How to Use the Hex Inspector

Modified on: Wed, 16 Aug, 2017 at 10:44 AM

If you're interested in seeing how the Omnimeters communicate you can use the Hex Inspector in EKM Dash to see the raw RS-485 data from the meters. You can also use it see the raw Push data (in json format) for meters being read with the Push system.

The Hex is a simple request/response string that returns most of the data that is stored inside of the meters. If you use the Hex Inspector and serial sniffer software it will simplify the job of seeing the request and response. If you have a PC, the software "RealTerm" is good software to use for sniffing the RS-485. The last 2 bytes are a CRC-16 checksum.

30 represents a 0, 31 represents a 1, 32 represents a 2, etc.

Here is more information about the RS-485 protocols (including code examples) for both v3 and v4 Omnimeters: